Target Audience:
        
        
            Professional technicians and experienced do-it-yourself mechanics with basic electrical and mechanical knowledge.
        
     
    
    
        
            Value Proposition:
        
        
            Provides factory-level repair and maintenance information, enabling informed decisions and quality repairs for the Datsun 610.
        
     
    
    
        
            Learning Curve:
        
        
            Designed to teach users what factory-trained technicians know, with step-by-step guidance.
        
     
    
        
            Accessibility:
        
        
            Instant PDF download offers immediate access for timely repairs.
        
     
    
        
            Utility:
        
        
            Covers both routine maintenance and complex repair procedures, acting as a comprehensive reference.
        
     
 
    
    
    
        
            Coverage Scope:
        
        
            Comprehensive service and repair for the Datsun 610 model year 1975.
        
     
    
    
        
            Page Count Estimate:
        
        
            Estimated 500-800 pages (typical for factory-level service manuals of this era, specific count not provided).
        
     
    
    
        
            Manual Type:
        
        
            Service Repair Manual, Workshop Manual, Factory Service Manual
        
     
    
    
    
    
 
    
    
    
        
            Engine Systems:
        
        
            Engine mechanical, lubrication, cooling, fuel, ignition, emissions control systems.
        
     
    
        
            Drivetrain Systems:
        
        
            Clutch, transmission (manual & automatic), driveshafts, differentials, axles.
        
     
    
        
            Chassis Systems:
        
        
            Suspension (front & rear), steering, brakes (front disc, rear drum), wheels, tires.
        
     
    
        
            Electrical Systems:
        
        
            Battery, charging system, starting system, ignition system, lighting, instruments, wiring diagrams, accessories.
        
     
    
        
            Body And Trim:
        
        
            Body construction, exterior trim, interior trim, glass, doors, seats.
        
     
    
    
        
            Maintenance Procedures:
        
        
            Scheduled maintenance, fluid level checks, filter replacements, lubrication, tune-up procedures.
        
     
    
        
            Repair Procedures:
        
        
            Step-by-step repair instructions for all major mechanical, electrical, and chassis components.
        
     
    
        
            Disassembly Assembly:
        
        
            Detailed instructions for removing and reinstalling components and sub-assemblies.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts and procedures for identifying and resolving common issues.
        
     
    
        
            Specifications:
        
        
            Critical torque values, clearances, fluid capacities, electrical specifications, alignment data.
        
     
    
        
            Illustrations Diagrams:
        
        
            Includes exploded views, wiring diagrams, and procedural illustrations.
        
     
    
    
        
            Depth Of Coverage:
        
        
            Factory-level technical depth, suitable for professional technicians and advanced DIY enthusiasts.
        
     
 
    
    
    
        
            Engine Code:
        
        
            L20 (most common for 1975 Datsun 610, variations may exist).
        
     
    
    
        
            Displacement:
        
        
            1978 cc (120.7 cu in)
        
     
    
    
        
            Configuration:
        
        
            Inline 4-cylinder, SOHC (Single Overhead Camshaft)
        
     
    
    
        
            Bore X Stroke:
        
        
            82.0 mm x 92.0 mm (3.23 in x 3.62 in)
        
     
    
    
        
            Horsepower Net:
        
        
            Approximately 97-100 hp (SAE Net) at 5,200 rpm (depending on emissions equipment and tuning).
        
     
    
        
            Torque Net:
        
        
            Approximately 112-115 lb-ft (SAE Net) at 3,600 rpm (depending on emissions equipment and tuning).
        
     
    
    
        
            Fuel Delivery:
        
        
            Single Hitachi or SU-type carburetor(s) (e.g., HJG 46 W or similar).
        
     
    
    
        
            Cooling Type:
        
        
            Water-cooled, pressurized system with fan.
        
     
    
    
        
            Ignition Type:
        
        
            Conventional breaker point ignition system with distributor.
        
     
 
    
    
    
        
            Type:
        
        
            4-speed manual transmission.
        
     
    
    
        
            Type:
        
        
            3-speed automatic transmission (e.g., Nissan JATCO).
        
     
    
    
        
            Clutch Type:
        
        
            Dry single plate, hydraulically operated (for manual transmission).
        
     
    
    
        
            Manual Transmission Fluid:
        
        
            API GL-4, SAE 75W-90 or SAE 80W-90 gear oil (check specific manual for exact spec).
        
     
    
        
            Automatic Transmission Fluid:
        
        
            Dexron II or equivalent (check specific manual for exact spec).
        
     
 
    
    
    
        
            Wheelbase:
        
        
            Approx. 98.4 inches (2499 mm).
        
     
    
        
            Length:
        
        
            Approx. 165.7 inches (4209 mm).
        
     
    
        
            Width:
        
        
            Approx. 64.0 inches (1626 mm).
        
     
    
        
            Height:
        
        
            Approx. 53.7 inches (1364 mm) for Sedan, higher for Coupe/Wagon.
        
     
    
    
        
            Curb Weight:
        
        
            Approx. 2,300 - 2,600 lbs (1043 - 1179 kg), depending on body style and equipment.
        
     
    
    
        
            Wheel Bolt Pattern:
        
        
            4 x 114.3 mm (4-lug, common Datsun pattern).
        
     
    
        
            Standard Tire Size:
        
        
            Typically 165SR13 or 175/70SR13 (check specific trim/model).
        
     
 
    
    
    
        
            Seatbelts:
        
        
            Standard lap and shoulder belts (front), lap belts (rear).
        
     
    
        
            โครงสร้างนิรภัย:
        
        
            Reinforced body structure, safety door beams (typical for era).
        
     
    
    
        
            Brakes Front:
        
        
            Disc brakes.
        
     
    
        
            Brakes Rear:
        
        
            Drum brakes.
        
     
    
        
            Steering Type:
        
        
            Recirculating ball steering.
        
     
    
    
        
            Crash Test Data:
        
        
            No modern crash test data available for this era of vehicle.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Recommended every 3,000 miles or 3 months (typical for the era).
        
     
    
        
            Tune Up Interval:
        
        
            Recommended every 12,000-15,000 miles or 12 months.
        
     
    
    
        
            Engine Oil Type:
        
        
            API SF/CD, SAE 10W-30 or 10W-40 (check manual for specific climate/load recommendations).
        
     
    
        
            Engine Oil Capacity:
        
        
            Approx. 4.0-4.5 US quarts (3.8-4.3 liters) with filter change (check manual).
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based antifreeze mixed with water (50/50 ratio recommended).
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 (check manual for exact specification).
        
     
    
    
        
            Rust Corrosion:
        
        
            Prone to rust and corrosion in common areas like wheel wells, rocker panels, and strut towers due to age and material protection of the era.
        
     
    
        
            Carburetor Issues:
        
        
            Carburetors can require periodic adjustment, cleaning, or rebuilding due to wear and fuel degradation.
        
     
    
        
            Electrical Gremlins:
        
        
            Aging wiring harnesses and connections can lead to intermittent electrical faults.
        
     
    
        
            Suspension Wear:
        
        
            Bushings, ball joints, and tie rod ends are common wear items that affect ride and handling.
        
     
    
    
        
            Air Filter Part Number:
        
        
            Requires specific part number for L20 engine; consult manual or parts catalog.
        
     
    
        
            Oil Filter Part Number:
        
        
            Requires specific part number for L20 engine; consult manual or parts catalog (e.g., Nissan 15208-H1010 or equivalent aftermarket).
        
     
 
    
    
    
        
            Manufacturer:
        
        
            Nissan Motor Co., Ltd.
        
     
    
    
        
            Generation:
        
        
            Second generation Datsun 610 (internal designation 910 chassis code, but commonly referred to as 610).
        
     
    
        
            Body Styles:
        
        
            Available as a 2-door Coupe, 4-door Sedan, and 5-door Station Wagon.
        
     
    
    
        
            Production Years:
        
        
            1971-1977 (with the 1975 model representing a mid-cycle update).
        
     
    
    
        
            Release Timing:
        
        
            Introduced globally in late 1971 as a successor to the Datsun 510.
        
     
 
    
    
    
        
            General Reputation:
        
        
            The Datsun 610 is recognized for its reliable engineering and good value proposition, continuing the legacy of its predecessor, the 510.
        
     
    
    
        
            Consumer Reports Historical:
        
        
            While specific ratings are not readily available for 1975, Datsun vehicles of this era generally received positive marks for reliability and fuel economy in consumer publications of the time.